Operation Manual

41
put into the DVR. Make sure the data cables are attached firmly to the RS485 port on the DVR.
11
. Q: Why does the Buzzer keep sounding?
A: Please check to see if motion detection is on and the system has detected motion, make sure the hard drive is
being detected and has sufficient space available, and that none of your cameras have lost video. You can turn off
the buzzer in the Alarm setup option.
9.3 Email server check list
（The below info only for your ref.）
（Web site）
Email address
Sender server（25） Receiver server（110）
www.163.com
@163.com smtp.163.com pop3.163.com
@vip.163.com
smtp.vip.163.com pop.vip.163.com
@188.com
smtp.188.com pop.188.com
@126.com smtp.126.com pop3.126.com
@netease.com smtp.netease.com pop.netease.com
@yeah.net smtp.yeah.net pop.netease.com
www.163.net
smtp.163vip.net popx.163vip.net
www.sina.com @sina.com.cn smtp.sina.com.cn pop3.sina.com.cn
www.yahoo.com
@yahoo.com.cn smtp.mail.yahoo.com.cn pop.mail.yahoo.com.cn
@yahoo.com smtp.mail.yahoo.com pop.mail.yahoo.com
www.google.com
@gmail.com smtp.gmail.com(465/587) pop.gmail.com(995)
www.china.com @china.com smtp.china.com pop.china.com
www.sohu.com @sohu.com smtp.sohu.com pop.sohu.com
www.163.net smtp.163.net pop.163.net
www.163vip.net
smtp.163vip.net pop.163vip.net
www.tom.com
@tom.com
smtp.tom.com pop.tom.com
www.263.net
@263.net smtp.263.net
pop3.263.net
x263.net smtp.x263.net
pop.x263.net
263.net.cn smtp.263.net.cn
pop.263.net.cn
www.qq.com @qq.com smtp.qq.com pop.qq.com
www.139.com
@139.com
smtp.139.com pop.139.com
www.21cn.com smtp.21cn.com pop.21cn.com
21cn VIP mail vip.21cn.com vip.21cn.com
etang.com
smtp.etang.com pop.etang.com
elong.com:
smtp.elong.com pop3.elong.com
List 9-3
9.4 Usage Maintenance
1. Please make sure DVR keep away from heating source.
2. Clean the internal dust regularly, keep DVR aeration well and be easy to heat dissipate.
3. Please not plug in RS-232 and RS-485 when power is on to avoid any damage to the port.
4. Please check the HDD cable and data cable to avoid the cable aging.
5. Please avoid other electronics device interfere video/audio signal of DVR a.s.a.p., or static electricity and
induced voltage damage to DVR.
6. Suggest user replace BNC cable regularly to keep signal input stable.